.MainHeader{
    height: 56px;
    line-height: 56px;
    width: 100%;
    box-shadow:0 2px 4px 0 rgba(0,0,0,.05);
    background: #fff;
    box-sizing: border-box;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    .navs{
        display: flex;
        align-items: center;
        font-size: 14px;
        color: #3D3D3D;
        height: 56px;
        ul.navitem{
            flex: 1;
            padding-left: 10px;
            margin: 0;
            li{
                float: left;
                margin: 0 10px;
                cursor: pointer;
                a{
                    display: block;
                    color: #3D3D3D;
                    &:hover,&.active{
                        color: #CA0C16;
                    }
                }
            }
        }
    }
    div.searchs{
        height: 100%;
        overflow: hidden;
    }
    div._login{
        margin-left: 14px;
    }
    div.write,div._Msg{
        margin: 0 14px;
        cursor: pointer;
        &:hover{
            color: #CA0C16;
        }
    }
}